package com.example.vod.service.Imp;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.example.handler.GuliException;
import com.example.vod.service.VodService;
import com.example.vod.utils.ConstantVodUtils;
import com.example.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImp implements VodService {
    @Override
    public String uploadAlyVideo(MultipartFile file) {

        try {

            /**
             title :上传之后显示名称
             filename 上传之后显示的名称
             inputstram:上传文件输入流
             * */
//        String accessKeyId="";
//        String accessKeySecret="";
            String fileName = file.getOriginalFilename();
            //截取文件名
            //03.02.01. mp4
            String title = fileName.substring(0,fileName.lastIndexOf("."));

            InputStream inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACESS_KEY_ID, ConstantVodUtils.ACESS_KEY_SECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();

            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {

            e.printStackTrace();
            return  null;

        }
    }

    //根据课程id删除所有小节视频
    @Override
    public void removeVideoList(List<String> videoIdList) {
        try {
            //初始haul对象
            DefaultAcsClient client= InitVodClient.initVodClient(ConstantVodUtils.ACESS_KEY_ID,ConstantVodUtils.ACESS_KEY_SECRET);
            //创建request
            DeleteVideoRequest request=new DeleteVideoRequest();
            //videoList   转成 1， 2 ，3
            String listVideoid= StringUtils.join(videoIdList.toArray(),",");
            //设置视频id
            request.setVideoIds(listVideoid);
            //调用方法
            client.getAcsResponse(request);
        } catch (ClientException e) {
            e.printStackTrace();
            throw  new GuliException(20001,"删除多个视频失败");
        }

    }




}
